diff --git a/README.md b/README.md
index 0bac65b2..c2917a5f 100644
--- a/README.md
+++ b/README.md
@@ -54,6 +54,7 @@ Gin is a web framework written in Go (Golang). It features a martini-like API wi
- [Build a single binary with templates](#build-a-single-binary-with-templates)
- [Bind form-data request with custom struct](#bind-form-data-request-with-custom-struct)
- [Try to bind body into different structs](#try-to-bind-body-into-different-structs)
+ - [http2 server push](#http2-server-push)
- [Testing](#testing)
- [Users](#users--)
@@ -1656,6 +1657,55 @@ enough to call binding at once.
can be called by `c.ShouldBind()` multiple times without any damage to
performance (See [#1341](https://github.com/gin-gonic/gin/pull/1341)).
+### http2 server push
+
+http.Pusher is supported only **go1.8+**. See the [golang blog](https://blog.golang.org/h2push) for detail information.
+
+[embedmd]:# (examples/http-pusher/main.go go)
+```go
+package main
+
+import (
+ "html/template"
+ "log"
+
+ "github.com/gin-gonic/gin"
+)
+
+var html = template.Must(template.New("https").Parse(`
+
+
+ Https Test
+
+
+
+ Welcome, Ginner!
+
+
+`))
+
+func main() {
+ r := gin.Default()
+ r.Static("/assets", "./assets")
+ r.SetHTMLTemplate(html)
+
+ r.GET("/", func(c *gin.Context) {
+ if pusher := c.Writer.Pusher(); pusher != nil {
+ // use pusher.Push() to do server push
+ if err := pusher.Push("/assets/app.js", nil); err != nil {
+ log.Printf("Failed to push: %v", err)
+ }
+ }
+ c.HTML(200, "https", gin.H{
+ "status": "success",
+ })
+ })
+
+ // Listen and Server in https://127.0.0.1:8080
+ r.RunTLS(":8080", "./testdata/server.pem", "./testdata/server.key")
+}
+```
+
## Testing
The `net/http/httptest` package is preferable way for HTTP testing.
diff --git a/examples/http-pusher/assets/app.js b/examples/http-pusher/assets/app.js
new file mode 100644
index 00000000..05271b67
--- /dev/null
+++ b/examples/http-pusher/assets/app.js
@@ -0,0 +1 @@
+console.log("http2 pusher");
diff --git a/examples/http-pusher/main.go b/examples/http-pusher/main.go
new file mode 100644
index 00000000..d4f33aa0
--- /dev/null
+++ b/examples/http-pusher/main.go
@@ -0,0 +1,41 @@
+package main
+
+import (
+ "html/template"
+ "log"
+
+ "github.com/gin-gonic/gin"
+)
+
+var html = template.Must(template.New("https").Parse(`
+
+
+ Https Test
+
+
+
+ Welcome, Ginner!
+
+
+`))
+
+func main() {
+ r := gin.Default()
+ r.Static("/assets", "./assets")
+ r.SetHTMLTemplate(html)
+
+ r.GET("/", func(c *gin.Context) {
+ if pusher := c.Writer.Pusher(); pusher != nil {
+ // use pusher.Push() to do server push
+ if err := pusher.Push("/assets/app.js", nil); err != nil {
+ log.Printf("Failed to push: %v", err)
+ }
+ }
+ c.HTML(200, "https", gin.H{
+ "status": "success",
+ })
+ })
+
+ // Listen and Server in https://127.0.0.1:8080
+ r.RunTLS(":8080", "./testdata/server.pem", "./testdata/server.key")
+}
diff --git a/examples/http-pusher/testdata/ca.pem b/examples/http-pusher/testdata/ca.pem
new file mode 100644
index 00000000..6c8511a7
--- /dev/null
+++ b/examples/http-pusher/testdata/ca.pem
@@ -0,0 +1,15 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----
diff --git a/examples/http-pusher/testdata/server.key b/examples/http-pusher/testdata/server.key
new file mode 100644
index 00000000..143a5b87
--- /dev/null
+++ b/examples/http-pusher/testdata/server.key
@@ -0,0 +1,16 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----
diff --git a/examples/http-pusher/testdata/server.pem b/examples/http-pusher/testdata/server.pem
new file mode 100644
index 00000000..f3d43fcc
--- /dev/null
+++ b/examples/http-pusher/testdata/server.pem
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
diff --git a/response_writer.go b/response_writer.go
index 232f00aa..14b1cfc3 100644
--- a/response_writer.go
+++ b/response_writer.go
@@ -16,7 +16,7 @@ const (
defaultStatus = 200
)
-type ResponseWriter interface {
+type responseWriterBase interface {
http.ResponseWriter
http.Hijacker
http.Flusher
diff --git a/response_writer_1.7.go b/response_writer_1.7.go
new file mode 100644
index 00000000..801d196b
--- /dev/null
+++ b/response_writer_1.7.go
@@ -0,0 +1,12 @@
+// +build !go1.8
+
+// Copyright 2018 Gin Core Team. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package gin
+
+// ResponseWriter ...
+type ResponseWriter interface {
+ responseWriterBase
+}
diff --git a/response_writer_1.8.go b/response_writer_1.8.go
new file mode 100644
index 00000000..527c0038
--- /dev/null
+++ b/response_writer_1.8.go
@@ -0,0 +1,25 @@
+// +build go1.8
+
+// Copyright 2018 Gin Core Team. All rights reserved.
+// Use of this source code is governed by a MIT style
+// license that can be found in the LICENSE file.
+
+package gin
+
+import (
+ "net/http"
+)
+
+// ResponseWriter ...
+type ResponseWriter interface {
+ responseWriterBase
+ // get the http.Pusher for server push
+ Pusher() http.Pusher
+}
+
+func (w *responseWriter) Pusher() (pusher http.Pusher) {
+ if pusher, ok := w.ResponseWriter.(http.Pusher); ok {
+ return pusher
+ }
+ return nil
+}